SB20240531381 - NULL pointer dereference in Linux kernel ulp ipoib driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531381
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-47266)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ipoib_get_size() function in drivers/infiniband/ulp/ipoib/ipoib_netlink.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/64f1fb6acc2ab95982fc4334f351d7576c26f313
- https://git.kernel.org/stable/c/67cf4e447b5e5e9e94996cb6812ae2828e0e0e27
- https://git.kernel.org/stable/c/0a672f7d89db2da17ae02733ccc08458be72a6f8
- https://git.kernel.org/stable/c/a3e74fb9247cd530dca246699d5eb5a691884d32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.126